Home / 921,190.90-1,271,246.03-534,081.55

Finding the Fourth Proportional to 921,190.90, 1,271,246.03 and 534,081.55

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Solution

The fourth proportional to 921,190.90, 1,271,246.03 and 534,081.55 is: 737,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,190.90 : 1,271,246.03 = 534,081.55 : x
  2. Step 2: Convert to fraction form
    921,190.90/1,271,246.03 = 534,081.55/x
  3. Step 3: Cross multiply
    921,190.90x = 1,271,246.03 × 534,081.55
  4. Step 4: Simplify right side
    921,190.90x = 678,949,047,463.34
  5. Step 5: Solve for x
    x = 678,949,047,463.34/921,190.90
  6. Step 6: Final answer
    x = 737,034.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.